How to add end stop switches to TwoTrees TTS-55 laser engraver

Twotrees TS2 20w Laser Engraver,20W Output Laser Cutter, 130W Laser Engraving Machine,DIY Laser Cutter and Engraver Machine, CNC Laser Engraver for Wood and Metal, Dark Acrylic, etc.

Twotrees TTS-25 Laser Engraver Machine 20W Laser Cutting Engraving with 32-Bit Motherboard for Wood, Leather

Twotrees laser TTS-55 and adding limit switches

Twotrees TS2 10W Laser Engraver Machine 450x450mm — Kingroon 3D

Twotrees laser TTS-55 and adding limit switches

Twotrees laser TTS-55 and adding limit switches

Two Trees TTS-55 DIY Laser Engraving and Cutting Machine review - cutting things with light is awesome! - The Gadgeteer

Two Trees TTS-55 DIY Laser Engraving and Cutting Machine review - cutting things with light is awesome! - The Gadgeteer

Two Trees TTS-55 Pro Diode Laser Engraver – TwoTrees Official Shop

TwoTrees TTS-55 Pro Laser Engraver With Wifi Offline Control 80W Laser Engraving Cutting Machine 445±5nm Blue Light Cnc Machine, Latest Laser Beam

TwoTrees TTS-55 Pro Laser Engraver

Engraving Machine Mechanical Limit Switch Endstop Without The Wheel For CNC Laser Engraving Machine 3D printer DLC32 - AliExpress